Abstract: A tube for a heat exchanger is disclosed, the tube including a plurality of protuberances formed on an inner surface of the tube. The protuberances are arranged in a pattern that maintains a substantially constant cross sectional hydraulic area along a length of the tube.

Abstract: A fuel cell component is provided, including a substrate disposed adjacent at least one radiation-cured flow field layer. The flow field layer is one of disposed between the substrate and a diffusion medium layer, and disposed on the diffusion medium layer opposite the substrate. The flow field layer has at least one of a plurality of reactant flow channels and a plurality of coolant channels for the fuel cell. The fuel cell component may be assembled as part of a repeating unit for a fuel cell stack. A method for fabricating the fuel cell component and the associated repeating unit for the fuel cell is also provided.

Abstract: A server runs a software program controlling a system and is connected to the Internet to communicate with one or more advertising agencies. A client of the agencies has a home location with a server connected to the Internet for communication with the server and the agencies. The client can have branches that are connected to the Internet for communication with the server and the Client Home and, in some circumstances, with the agencies. Also connected to the Internet are Media parties representing any and all types of advertising display parties such as radio, television, print, billboard, etc. The media parties also could be brokers that place the advertising with various media outlets.

Abstract: An electric insulator for a fuel cell stack with a plurality of fuel cell plates is provided. The electric insulator includes an insulation layer having a water management feature adapted to militate against liquid water contacting the fuel cell plates. Fuel cell stacks having the water management feature are also described.

Abstract: A system and a method for monitoring a building material are disclosed. The system and the method provide a comprehensive monitoring throughout a manufacturing and an application process and provide a real time data feedback relating to the physical characteristics of the building material. The system and method include mixing a predetermined amount of taggant particles with a predetermined volume of at least one component of the building material in order to comprehensively monitor a mix ratio and segregation of the building material during manufacturing and application.

Abstract: A system for cooling a fuel cell stack and a drive unit in a fuel cell vehicle is disclosed, wherein the system includes a drive unit and a fuel cell stack. An oil cooling loop for the drive unit includes a three way valve, a liquid to liquid heat exchanger, and a pump. The liquid to liquid heat exchanger may be used to transfer drive unit off heat into the stack coolant loop. By not using an oil to air heat exchanger overall heat exchanger arrangement air side pressure drop can be minimized and airflow increased. The three way valve allows decoupling of the cooling loops if needed to inhibit negative impact on the fuel cell stack.

Abstract: A true time delay beamforming system and calibration method for transmission and reception of a beam is disclosed. The true time delay beamforming system comprises at least one input signal received by at least one signal conditioning device, wherein the signal conditioning device is adapted to provide selective, independent, and variable control of one of a phase delay, a time delay and an amplitude of the input signal to produce an output signal. A control logic device is adapted to provide a control logic signal to the at least one signal conditioning device for selectively activating and controlling the signal conditioning device. The true time delay beamforming system may further include an automatic calibration system that generates an error correction signal based on errors detected in the output signal, and selectively adjusts the control logic signal based thereon.

Abstract: A fuel cell system is provided including a fuel cell stack having a first end and second end. The fuel cell stack includes at least one fuel cell having a membrane-electrode assembly disposed between adjacent gas diffusion layers. The fuel cell system further includes a compression retention system having a plurality of compliant straps adapted to apply a compressive force to the fuel cell stack. The plurality of compliant straps are further adapted to accommodate an expansion of the fuel cell stack during an operation thereof and maintain the compressive force within a desired range.

Abstract: A fuel cell plate assembly is disclosed that comprises a first plate having a plurality of protuberances formed in a bottom of flow channels formed thereon, wherein the protuberances abut a bottom of flow channels formed on a second plate when the first plate and the second plate are disposed adjacent one another.

Abstract: A system including a low rider saddle mount (302) for safe and legal transportation of multiple vehicles (136, 137) is provided. The system includes a low rider saddle mount (302) having a first horizontal member (304) selectively coupled to one of a towing vehicle (132) and a second vehicle (136), and a second horizontal member (306) selectively coupled to one of the second vehicle (136) and a third vehicle (137). The second horizontal member (306) is vertically spaced apart from the first horizontal member (304). The multiple vehicles (136, 137) are towed in a forward direction. The system may further include a universal folding boom trailer (130). A method for towing multiple vehicles (136, 137) is also provided.

Abstract: A personal transport cart is disclosed. The cart is provided with a collapsible steering mechanism to lock the steered wheels for allowing alignment of the cart during the loading and unloading of the cart on a transport vehicle. Furthermore, the rear wheel can be locked against movement during the transportation of the cart on the transport vehicle.

Abstract: A method and an adapter kit for fastening a first elevator component to a second elevator component. The kit comprises a first bracket having two opposing walls interconnected by a web configured for attachment to the first component wherein a slot extending parallel to the web is provided in each of the opposing walls. A second and a third bracket is provided each having two opposing walls interconnected by a web wherein a slot is provided in the web extending between the two opposing walls. The second and third brackets are mountable to the second component by their respective slots. The first bracket is mountable to the second and third brackets by the slots in its opposing walls when the first bracket is positioned such that its opposing walls lie adjacent to the opposing walls of the second and third brackets, respectively.

Abstract: A sheath including a hollow main body having a first end with an opening formed therein. The hollow main body is formed from a substantially nonmagnetic material and adapted to receive the permanent magnet material handling device. The sheath militates against an attraction of foreign material to the permanent magnet material handling device when not in use. Additionally, an assembly and method for storing the permanent magnet material handling device. The assembly includes a pedestal having a stationary base coupled to a plate selectively engaging the sheath. A movement sensor may be coupled to the plate to detect movement of the plate relative to the base.

Abstract: A receiver including a plurality of antennas for receiving at least one radio signal, an analog processing path in signal communication with at least one of the antennas, a digital processing path in signal communication with at least one of the antennas, and a processor for controlling a processing of the at least one radio signal, wherein the at least one radio signal is processed by at least one of the analog processing path and the digital processing path.

Abstract: An apparatus for compacting road shoulders is provided comprising a primary carriage adapted to be mounted to a vehicle, an attachment carriage adjustably mounted to the primary carriage, a compacting attachment adjustably mounted to the attachment carriage, a control system in communication with at least one actuator, and a vibrator disposed on the apparatus. The apparatus for compacting road shoulders able to be positioned within a normal width of a vehicle, vibrationally compact the road shoulder, and adjust according to a grade of the shoulder.

Abstract: An apparatus and method for quiescently filling of a ladle with molten material and transferring of the molten material from the ladle is disclosed, wherein the molten material is transferred from the ladle to a casting mold to minimize turbulence in the molten material to minimize defects in a desired cast object.

Abstract: A warning system adapted to detect a plurality of input signals, identify the input signals as being associated with a vehicular speed measuring system used by law enforcement, and provide a tactile warning to a driver of the vehicle, is disclosed. The warning system includes a sensor to detect an input signal associated with a transmitter, analyze the input signal, and generate a warning signal in response to the analysis of the input signal, a controller to receive the warning signal, analyze the warning signal, and generate a control signal in response to the analysis of the warning signal, and a tactile feedback generator to generate a tactile alert through a vehicle control device in response to the control signal.

Abstract: The hybrid vehicle is mounted from a kit which includes a vehicle body that has a chassis, a first actuator assembly carried by the chassis and a motor carried by the chassis; a wheel kit including a second actuator assembly and a number of ground-engaging wheels; and a track kit that has track guide wheels, track driving wheels and a pair of ground-engaging tracks. The vehicle body can be interchangeably coupled to either one of the wheel kit thus defining a wheel mode hybrid vehicle and the track kit thus defining a track mode hybrid vehicle. In the wheel mode, the second actuator assembly is removably carried by the chassis, the ground-engaging wheels are operatively and removably coupled to the first and second actuator assemblies and the motor powers the first and second actuator assemblies.

Abstract: A method and apparatus for assembling a fuel cell stack is disclosed, wherein the apparatus includes a plurality of dunnage cassettes adapted to cooperate with a plurality of containers, a fixture, and an assembly device to simultaneously assemble a plurality of membrane electrode assemblies together with a plurality of bipolar plates.

Abstract: This invention relates to a method of optical correction of field position distortions created by galvano motor scanning heads.